Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The JBL Xtreme 5 ranks #2 of 120 large speakers by sound quality at $399.95; the JBL Boombox 3 ranks #27 of 113 boombox speakers by sound quality at $349.95.
Different sizes. The Xtreme 5 is a 6.4 lbs (2.9 kg) large speaker. The Boombox 3 is a 14.8 lbs (6.7 kg) boombox. Each is rated within its own class.
The Xtreme 5 is the better sounding speaker. It reaches well below 40Hz with excellent off-axis dispersion and plays clean at volume. It is IP68 with a removable battery, a claimed 28 hours, Auracast and a 7-band app EQ.
The Boombox 3 measured about 110dB, the same as the Xtreme 5, and has an aux input. It is bass boosted with a mid bass dip, has no EQ, and uses the older PartyBoost linking. It is IP67 with a claimed 24 hours.
Buy the JBL Xtreme 5 at $399.95 if you want a large speaker. Buy the JBL Boombox 3 at $349.95 if you want a boombox speaker instead.
Want more options? Browse the full Portable Bluetooth rankings.
Prices on this page were last checked November 7, 2026 at 7:34 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| JBL Xtreme 5 | JBL Boombox 3 | |
|---|---|---|
| Price | $399.95 | $349.95 |
| Ranked | #2 of 120 in Large Size Portable Bluetooth Speakers | #27 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | No | Yes |
| Battery Life | 28 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| EQ | Yes (7 band) | No |
| IP Rating | IP68 | IP67 |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | 110dB (measured by Alan Ross Reviews) |
| Party Mode | Yes (Auracast) | Yes (PartyBoost up to 100 speakers) |
| Power Bank | Yes (USB-C, 5V/3A) | Yes (USB-A) |
| Power Input | USB-C | AC Power cable |
| Removable Battery | Yes | - |
| TWS | Yes | Yes |
| Weight | 6.4 lbs (2.9 kg) | 14.8 lbs (6.7 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC, AAC, LC3 | SBC |
| Built-in Microphone | No | No |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| Bluetooth Version | 6.0 | 5.3 |
| Dimensions | 13.6” x 6.5” x 6.1” (346 x 165 x 155 mm) | 19” x 10.1” x 7.9” (482 x 257 x 200 mm) |
| Drivers | 98x145mm woofer, 2x 20mm tweeters + 2x passive radiators | 1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 1 x 90W RMS Woofer + 2 x 20W RMS Tweeter (AC power mode) 1 x 60W RMS Woofer + 2 x 15W RMS Tweeter (Battery mode) | 180W AC / 136W battery |
| Digital Aux Input | Yes (USB-C) | No |
| Strap | Yes (detachable shoulder strap) | No |
| Bass Extension (-10dB) | 43Hz (measured by Alan Ross Reviews) | 43Hz |
| Aux Latency | - | 25ms |
| Bluetooth Latency | - | 100ms |
| USB Playback | - | No |
| FM Tuner | - | No |
| Microphone Input | - | No |
| MicroSD Playback | - | No |
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